1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY postfix-download-http "http://www.mirrorspace.org/postfix/official/postfix-&postfix-version;.tar.gz">
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8 | <!ENTITY postfix-download-ftp "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-&postfix-version;.tar.gz">
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9 | <!ENTITY postfix-md5sum "bcaa4aac80595d04c60c72844203a04d">
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10 | <!ENTITY postfix-size "1.9 MB">
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11 | <!ENTITY postfix-buildsize "81 MB">
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12 | <!ENTITY postfix-time "0.29 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="postfix" xreflabel="Postfix-&postfix-version;">
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16 | <sect1info>
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17 | <othername>$LastChangedBy$</othername>
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18 | <date>$Date$</date>
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19 | </sect1info>
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20 | <?dbhtml filename="postfix.html"?>
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21 | <title>Postfix-&postfix-version;</title>
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22 | <indexterm zone="postfix">
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23 | <primary sortas="a-Postfix">Postfix</primary></indexterm>
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24 |
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25 | <sect2>
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26 | <title>Introduction to Postfix</title>
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27 |
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28 | <para>The <application>Postfix</application> package contains a Mail
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29 | Transport Agent (<acronym>MTA</acronym>). This is useful for sending email
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30 | to other users of your host machine. It can also be configured to be a
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31 | central mail server for your domain, a mail relay agent or simply a mail
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32 | delivery agent to your local Internet Service Provider
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33 | (<acronym>ISP</acronym>).</para>
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34 |
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35 | <sect3><title>Package information</title>
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36 | <itemizedlist spacing='compact'>
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37 | <listitem><para>Download (HTTP): <ulink
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38 | url="&postfix-download-http;"/></para></listitem>
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39 | <listitem><para>Download (FTP): <ulink
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40 | url="&postfix-download-ftp;"/></para></listitem>
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41 | <listitem><para>Download MD5 sum: &postfix-md5sum;</para></listitem>
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42 | <listitem><para>Download size: &postfix-size;</para></listitem>
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43 | <listitem><para>Estimated disk space required:
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44 | &postfix-buildsize;</para></listitem>
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45 | <listitem><para>Estimated build time:
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46 | &postfix-time;</para></listitem></itemizedlist>
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47 | </sect3>
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48 |
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49 | <sect3><title><application>Postfix</application> dependencies</title>
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50 | <sect4><title>Required</title>
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51 | <para><xref linkend="db"/></para>
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52 | </sect4>
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53 |
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54 | <sect4><title>Optional</title>
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55 | <para><xref linkend="pcre"/>,
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56 | <xref linkend="mysql"/>,
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57 | <xref linkend="postgresql"/>,
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58 | <xref linkend="openldap"/>,
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59 | <xref linkend="openssl"/> and
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60 | <xref linkend="cyrus-sasl"/></para>
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61 | </sect4>
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62 | </sect3>
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63 |
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64 | </sect2>
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65 |
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66 | <sect2>
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67 | <title>Installation of <application>Postfix</application></title>
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68 |
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69 | <sect3><title>Configuring the build</title>
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70 |
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71 | <para>The <application>Postfix</application> source tree does not contain a
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72 | <filename>configure</filename> script, rather the makefile in the
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73 | top-level directory contains a <parameter>makefiles</parameter> target that
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74 | regenerates all the other makefiles in the build tree. If you wish to
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75 | use additional software such as a database back-end for virtual users, or
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76 | <acronym>TLS</acronym>/<acronym>SSL</acronym> authentication, you will
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77 | need to regenerate the makefiles using one or more of the appropriate
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78 | <envar>CCARGS</envar> and <envar>AUXLIBS</envar> settings listed below.</para>
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79 |
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80 | <para>Here is an example that combines the
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81 | <acronym>TLS</acronym>/<acronym>SSL</acronym> and
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82 | <application>Cyrus-SASL</application> arguments:</para>
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83 |
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84 | <screen><userinput><command>make makefiles \
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85 | CCARGS="-DHAS_SSL -DUSE_SASL_AUTH -I/usr/include/openssl -I/usr/include/sasl" \
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86 | AUXLIBS="-L/usr/lib -R/usr/lib -lssl -lcrypto -lsasl2"</command></userinput></screen>
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87 |
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88 | <sect4><title>SSL/TLS authentication</title>
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89 | <para>To use <acronym>SSL</acronym>/<acronym>TLS</acronym>
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90 | authentication with <application>Postfix</application>, you will first
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91 | need to apply a patch availible from
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92 | <ulink url="ftp://ftp.aet.tu-cottbus.de/pub/postfix_tls/pfixtls-0.8.18-2.1.3-0.9.7d.tar.gz"/>.
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93 | Unzip the patch tarball, and apply it with the following commands:</para>
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94 |
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95 | <screen><userinput><command>patch -p1 < ../pfixtls-0.8.18-2.1.3-0.9.7d/pfixtls.diff</command></userinput></screen>
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96 |
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97 | <para>You will need to pass the following values to the
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98 | <command>make makefiles</command> command:</para>
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99 |
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100 | <screen><userinput>CCARGS="-DHAS_SSL -I/usr/include/openssl" \
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101 | AUXLIBS="-L/usr/lib -lssl -lcrypto"</userinput></screen>
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102 |
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103 | <para>To use <acronym>SSL</acronym> or <acronym>TLS</acronym> you will
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104 | also need <xref linkend="cyrus-sasl"/>.</para>
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105 | </sect4>
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106 |
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107 | <sect4><title>Cyrus-SASL</title>
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108 | <para>To use <application>Cyrus-SASL</application> with
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109 | <application>Postfix</application>, use the following arguments:</para>
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110 |
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111 | <screen><userinput>CCARGS="-DUSE_SASL_AUTH -I/usr/include/sasl" \
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112 | AUXLIBS="-L/usr/lib -R/usr/lib -lsasl2"</userinput></screen>
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113 | </sect4>
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114 |
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115 | <sect4><title>OpenLDAP</title>
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116 | <para>To use <application>OpenLDAP</application> with
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117 | <application>Postfix</application>, use the following arguments:</para>
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118 |
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119 | <screen><userinput>CCARGS="-I/usr/include -DHAS_LDAP" \
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120 | AUXLIBS="-L/usr/lib -lldap -llber"</userinput></screen>
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121 | </sect4>
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122 |
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123 | <sect4><title>MySQL</title>
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124 | <para>To use <application>MySQL</application> with
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125 | <application>Postfix</application>, use the following arguments:</para>
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126 |
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127 | <screen><userinput>CCARGS="-DHAS_MYSQL -I/usr/include/mysql" \
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128 | AUXLIBS="-L/usr/lib -lmysqlclient -lz -lm"</userinput></screen>
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129 | </sect4>
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130 |
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131 | <sect4><title>PostgreSQL</title>
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132 | <para>To use <application>PostgreSQL</application> with
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133 | <application>Postfix</application>, use the following arguments:</para>
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134 |
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135 | <screen><userinput>CCARGS="-DHAS_PGSQL -I/usr/include/postgresql" \
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136 | AUXLIBS="-L/usr/lib -lpq -lz -lm"</userinput></screen>
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137 | </sect4>
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138 |
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139 | </sect3>
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140 |
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141 | <sect3><title>Installing Postfix</title>
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142 |
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143 | <para>Before you compile the program, you need to create users and groups that
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144 | will be expected to be in place when the install script executes. Add the
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145 | users and groups with the following commands:</para>
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146 |
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147 | <screen><userinput><command>groupadd postfix &&
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148 | groupadd postdrop &&
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149 | groupadd -g 65534 nogroup &&
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150 | useradd -c postfix -d /dev/null -g postfix -s /bin/false postfix &&
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151 | useradd -c nobody -d /home -g nogroup -s /bin/bash -u 65534 nobody &&
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152 | chown postfix:postfix /var/mail</command></userinput></screen>
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153 |
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154 | <para>Install <application>Postfix</application> by running the
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155 | following commands:</para>
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156 |
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157 | <screen><userinput><command>make &&
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158 | sh postfix-install daemon_directory=/usr/sbin \
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159 | manpage_directory=/usr/share/man \
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160 | sample_directory=/usr/share/doc/postfix \
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161 | -non-interactive</command></userinput></screen>
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162 |
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163 | <para>The final installation step is to install the program's documentation with
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164 | the following commands:</para>
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165 |
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166 | <screen><userinput><command>install -d /usr/share/doc/postfix &&
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167 | cp -rf html/* /usr/share/doc/postfix</command></userinput></screen>
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168 | </sect3></sect2>
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169 |
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170 | <sect2>
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171 | <title>Command explanations</title>
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172 |
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173 | <para><command>sh postfix-install ... -non-interactive</command> : This keeps
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174 | the install script from asking any questions, thereby accepting default
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175 | destination directories in all but the three cases explicitly mentioned.</para>
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176 |
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177 | <para><command>make makefiles</command> : This command rebuilds the
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178 | makefiles throughout the source tree to use the options contained in the
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179 | <envar>CCARGS</envar> and <envar>AUXLIBS</envar> variables.</para>
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180 |
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181 | </sect2>
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182 |
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183 | <sect2>
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184 | <title>Configuring <application>Postfix</application></title>
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185 |
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186 | <sect3 id="postfix-config"><title>Config files</title>
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187 | <para><filename>/etc/aliases</filename>,
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188 | <filename>/etc/postfix/main.cf</filename> and
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189 | <filename>/etc/postfix/master.cf</filename></para>
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190 | <indexterm zone="postfix postfix-config">
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191 | <primary sortas="e-etc-aliases">/etc/aliases</primary></indexterm>
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192 | <indexterm zone="postfix postfix-config">
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193 | <primary sortas="e-etc-postfix-star">/etc/postfix/*</primary></indexterm>
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194 | </sect3>
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195 |
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196 | <sect3><title>Configuration Information</title>
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197 |
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198 | <screen><userinput><command>cat >> /etc/aliases << "EOF"</command>
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199 | # Begin /etc/aliases
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200 |
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201 | MAILER-DAEMON: postmaster
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202 | postmaster: root
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203 |
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204 | root: LOGIN
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205 | # End /etc/aliases
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206 | <command>EOF</command></userinput></screen>
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207 |
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208 | <note><para>To protect an existing <filename>/etc/aliases</filename> file, the
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209 | above command appends these aliases to it if it exists. This file should be
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210 | checked and duplicate aliases removed, if present.</para></note>
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211 |
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212 | <para>The <filename>/etc/aliases</filename> file that was just created or
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213 | appended, the <filename>main.cf</filename> and the
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214 | <filename>master.cf</filename> must be personalized for your system. The
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215 | <filename>aliases</filename> file needs your non-root login identity so mail
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216 | addressed to root can be forwarded to you at the user level. The
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217 | <filename>main.cf</filename> file needs your fully qualified hostname. All of
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218 | these edits can be done with <command>sed</command> commands entered into the
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219 | console with appropriate substitutions of your non-root login name for
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220 | <replaceable>[user]</replaceable> and your fully qualified hostname for
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221 | <replaceable>[localhost.localdomain]</replaceable>. You will find the
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222 | <filename>main.cf</filename> file is self documenting, so load it into your
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223 | editor to make the changes you need for your situation.</para>
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224 |
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225 | <screen><userinput><command>sed -i "s/LOGIN/<replaceable>[user]</replaceable>/" /etc/aliases &&
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226 | sed -i "s/#myhostname = host.domain.tld/myhostname = \
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227 | <replaceable>[localhost.localdomain]</replaceable>/" /etc/postfix/main.cf &&
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228 | /usr/bin/newaliases &&
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229 | /usr/sbin/postfix start</command></userinput></screen></sect3>
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230 |
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231 | <sect3 id="postfix-init"><title>Postfix init.d script</title>
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232 |
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233 | <para>To automate the running of Postfix at startup, install the
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234 | <filename>/etc/rc.d/init.d/postfix</filename> init script included in the
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235 | <xref linkend="intro-important-bootscripts"/> package.</para>
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236 | <indexterm zone="postfix postfix-init"> <primary
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237 | sortas="f-postfix">postfix</primary></indexterm>
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238 |
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239 | <screen><userinput><command>make install-postfix</command></userinput></screen>
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240 |
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241 | </sect3>
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242 |
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243 | </sect2>
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244 |
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245 | <sect2>
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246 | <title>Contents</title>
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247 |
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248 | <segmentedlist>
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249 | <segtitle>Installed Programs</segtitle>
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250 | <segtitle>Installed Libraries</segtitle>
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251 | <segtitle>Installed Directories</segtitle>
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252 |
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253 | <seglistitem>
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254 | <seg>bounce, cleanup, error, flush, lmtp, local, mailq, master,
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255 | newaliases, nqmgr, oqmgr, pickup, pipe, postalias, postcat, postconf,
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256 | postdrop, postfix, postkick, postlock, postlog, postmap, postqueue,
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257 | postsuper, proxymap, qmgr, qmqpd, sendmail, showq, smtp, smtpd, spawn,
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258 | trivial-rewrite, verify, and virtual</seg>
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259 | <seg>None</seg>
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260 | <seg>/etc/postfix and /usr/share/doc/postfix</seg>
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261 | </seglistitem>
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262 | </segmentedlist>
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263 |
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264 | <variablelist>
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265 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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266 | <?dbfo list-presentation="list"?>
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267 |
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268 | <varlistentry id="bounce">
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269 | <term><command>bounce</command></term>
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270 | <listitem><para>A daemon that maintains per-message log files with
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271 | non-delivery status information.</para>
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272 | <indexterm zone="postfix bounce">
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273 | <primary sortas="b-bounce">bounce</primary></indexterm>
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274 | </listitem>
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275 | </varlistentry>
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276 |
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277 | <varlistentry id="cleanup">
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278 | <term><command>cleanup</command></term>
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279 | <listitem><para>A daemon that processes inbound mail, inserts it into the
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280 | incoming mail queue, and informs the queue manager of its arrival.</para>
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281 | <indexterm zone="postfix cleanup">
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282 | <primary sortas="b-cleanup">cleanup</primary></indexterm>
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283 | </listitem>
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284 | </varlistentry>
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285 |
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286 | <varlistentry id="error">
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287 | <term><command>error</command></term>
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288 | <listitem><para>A deamon that processes non-delivery requests from the
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289 | queue manager.</para>
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290 | <indexterm zone="postfix error">
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291 | <primary sortas="b-error">error</primary></indexterm>
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292 | </listitem>
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293 | </varlistentry>
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294 |
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295 | <varlistentry id="flush">
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296 | <term><command>flush</command></term>
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297 | <listitem><para>A daemon that maintains a record of deferred mail by
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298 | destination.</para>
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299 | <indexterm zone="postfix flush">
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300 | <primary sortas="b-flush">flush</primary></indexterm>
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301 | </listitem>
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302 | </varlistentry>
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303 |
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304 | <varlistentry id="lmtp">
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305 | <term><command>lmtp</command></term>
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306 | <listitem><para>A daemon that processes message delivery requests from the
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307 | queue manager.</para>
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308 | <indexterm zone="postfix lmtp">
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309 | <primary sortas="b-lmtp">lmtp</primary></indexterm>
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310 | </listitem>
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311 | </varlistentry>
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312 |
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313 | <varlistentry id="local">
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314 | <term><command>local</command></term>
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315 | <listitem><para>A daemon that processes delivery requests from the queue
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316 | manager to deliver mail to local recipients.</para>
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317 | <indexterm zone="postfix local">
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318 | <primary sortas="b-local">local</primary></indexterm>
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319 | </listitem>
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320 | </varlistentry>
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321 |
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322 | <varlistentry id="mailq">
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323 | <term><command>mailq</command></term>
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324 | <listitem><para>A symlink to <filename>sendmail</filename>.</para>
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325 | <indexterm zone="postfix mailq">
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326 | <primary sortas="b-mailq">mailq</primary></indexterm>
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327 | </listitem>
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328 | </varlistentry>
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329 |
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330 | <varlistentry id="master">
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331 | <term><command>master</command></term>
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332 | <listitem><para>The resident process that runs
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333 | <application>Postfix</application> daemons on demand.</para>
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334 | <indexterm zone="postfix master">
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335 | <primary sortas="b-master">master</primary></indexterm>
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336 | </listitem>
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337 | </varlistentry>
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338 |
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339 | <varlistentry id="newaliases">
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340 | <term><command>newaliases</command></term>
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341 | <listitem><para>A symlink to <filename>sendmail</filename>.</para>
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342 | <indexterm zone="postfix newaliases">
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343 | <primary sortas="b-newaliases">newaliases</primary></indexterm>
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344 | </listitem>
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345 | </varlistentry>
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346 |
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347 | <varlistentry id="nqmgr">
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348 | <term><command>nqmgr</command></term>
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349 | <listitem><para>A daemon that awaits the arrival of incoming mail and
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350 | arranges for its delivery.</para>
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351 | <indexterm zone="postfix nqmgr">
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352 | <primary sortas="b-nqmgr">nqmgr</primary></indexterm>
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353 | </listitem>
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354 | </varlistentry>
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355 |
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356 | <varlistentry id="oqmgr">
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357 | <term><command>oqmgr</command></term>
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358 | <listitem><para>The old style queue manager. This will be removed
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359 | soon.</para>
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360 | <indexterm zone="postfix oqmgr">
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361 | <primary sortas="b-oqmgr">oqmgr</primary></indexterm>
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362 | </listitem>
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363 | </varlistentry>
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364 |
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365 | <varlistentry id="pickup">
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366 | <term><command>pickup</command></term>
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367 | <listitem><para>A daemon that waits for hints that new mail has been
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368 | dropped into the maildrop directory, and feeds it into the
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369 | <application>cleanup</application> daemon.</para>
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370 | <indexterm zone="postfix pickup">
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371 | <primary sortas="b-pickup">pickup</primary></indexterm>
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372 | </listitem>
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373 | </varlistentry>
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374 |
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375 | <varlistentry id="pipe">
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376 | <term><command>pipe</command></term>
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377 | <listitem><para>A daemon that processes requests from the queue
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378 | manager to deliver messages to external commands.</para>
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379 | <indexterm zone="postfix pipe">
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380 | <primary sortas="b-pipe">pipe</primary></indexterm>
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381 | </listitem>
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382 | </varlistentry>
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383 |
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384 | <varlistentry id="postalias">
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385 | <term><command>postalias</command></term>
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386 | <listitem><para>Creates or queries one or more
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387 | <application>Postfix</application> alias databases, or updates an
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388 | existing one.</para>
|
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389 | <indexterm zone="postfix postalias">
|
---|
390 | <primary sortas="b-postalias">postalias</primary></indexterm>
|
---|
391 | </listitem>
|
---|
392 | </varlistentry>
|
---|
393 |
|
---|
394 | <varlistentry id="postcat">
|
---|
395 | <term><command>postcat</command></term>
|
---|
396 | <listitem><para>Prints the contents of the
|
---|
397 | <application>named</application> files in human readable format.</para>
|
---|
398 | <indexterm zone="postfix postcat">
|
---|
399 | <primary sortas="b-postcat">postcat</primary></indexterm>
|
---|
400 | </listitem>
|
---|
401 | </varlistentry>
|
---|
402 |
|
---|
403 | <varlistentry id="postconf">
|
---|
404 | <term><command>postconf</command></term>
|
---|
405 | <listitem><para>Displays or changes the value of
|
---|
406 | <application>Postfix</application> configuration parameters.</para>
|
---|
407 | <indexterm zone="postfix postconf">
|
---|
408 | <primary sortas="b-postconf">postconf</primary></indexterm>
|
---|
409 | </listitem>
|
---|
410 | </varlistentry>
|
---|
411 |
|
---|
412 | <varlistentry id="postdrop">
|
---|
413 | <term><command>postdrop</command></term>
|
---|
414 | <listitem><para>Creates a file in the maildrop directory and copies
|
---|
415 | it's standard input to the file.</para>
|
---|
416 | <indexterm zone="postfix postdrop">
|
---|
417 | <primary sortas="b-postdrop">postdrop</primary></indexterm>
|
---|
418 | </listitem>
|
---|
419 | </varlistentry>
|
---|
420 |
|
---|
421 | <varlistentry id="postfix-bin">
|
---|
422 | <term><command>postfix</command></term>
|
---|
423 | <listitem><para>Controls the operation of the
|
---|
424 | <application>Postfix</application> mail system.</para>
|
---|
425 | <indexterm zone="postfix postfix-bin">
|
---|
426 | <primary sortas="b-postfix">postfix</primary></indexterm>
|
---|
427 | </listitem>
|
---|
428 | </varlistentry>
|
---|
429 |
|
---|
430 | <varlistentry id="postkick">
|
---|
431 | <term><command>postkick</command></term>
|
---|
432 | <listitem><para>Sends requests to the specified service over a
|
---|
433 | local transport channel.</para>
|
---|
434 | <indexterm zone="postfix postkick">
|
---|
435 | <primary sortas="b-postkick">postkick</primary></indexterm>
|
---|
436 | </listitem>
|
---|
437 | </varlistentry>
|
---|
438 |
|
---|
439 | <varlistentry id="postlock">
|
---|
440 | <term><command>postlock</command></term>
|
---|
441 | <listitem><para>Locks a mail folder for exclusive use, and executes
|
---|
442 | commands passed to it.</para>
|
---|
443 | <indexterm zone="postfix postlock">
|
---|
444 | <primary sortas="b-postlock">postlock</primary></indexterm>
|
---|
445 | </listitem>
|
---|
446 | </varlistentry>
|
---|
447 |
|
---|
448 | <varlistentry id="postlog">
|
---|
449 | <term><command>postlog</command></term>
|
---|
450 | <listitem><para>A <application>Postfix</application>-compatible logging
|
---|
451 | interface for use in, for example, shell scripts.</para>
|
---|
452 | <indexterm zone="postfix postlog">
|
---|
453 | <primary sortas="b-postlog">postlog</primary></indexterm>
|
---|
454 | </listitem>
|
---|
455 | </varlistentry>
|
---|
456 |
|
---|
457 | <varlistentry id="postmap">
|
---|
458 | <term><command>postmap</command></term>
|
---|
459 | <listitem><para>Creates or queries one or more Postfix lookup
|
---|
460 | tables, or updates an existing one.</para>
|
---|
461 | <indexterm zone="postfix postmap">
|
---|
462 | <primary sortas="b-postmap">postmap</primary></indexterm>
|
---|
463 | </listitem>
|
---|
464 | </varlistentry>
|
---|
465 |
|
---|
466 | <varlistentry id="postqueue">
|
---|
467 | <term><command>postqueue</command></term>
|
---|
468 | <listitem><para>The <application>Postfix</application> user interface for
|
---|
469 | queue management.</para>
|
---|
470 | <indexterm zone="postfix postqueue">
|
---|
471 | <primary sortas="b-postqueue">postqueue</primary></indexterm>
|
---|
472 | </listitem>
|
---|
473 | </varlistentry>
|
---|
474 |
|
---|
475 | <varlistentry id="postsuper">
|
---|
476 | <term><command>postsuper</command></term>
|
---|
477 | <listitem><para>The <application>Postfix</application> user interface for
|
---|
478 | superuser queue management.</para>
|
---|
479 | <indexterm zone="postfix postsuper">
|
---|
480 | <primary sortas="b-postsuper">postsuper</primary></indexterm>
|
---|
481 | </listitem>
|
---|
482 | </varlistentry>
|
---|
483 |
|
---|
484 | <varlistentry id="proxymap">
|
---|
485 | <term><command>proxymap</command></term>
|
---|
486 | <listitem><para>Provides read-only table lookup services to other
|
---|
487 | <application>Postfix</application> processes.</para>
|
---|
488 | <indexterm zone="postfix proxymap">
|
---|
489 | <primary sortas="b-proxymap">proxymap</primary></indexterm>
|
---|
490 | </listitem>
|
---|
491 | </varlistentry>
|
---|
492 |
|
---|
493 | <varlistentry id="qmgr">
|
---|
494 | <term><command>qmgr</command></term>
|
---|
495 | <listitem><para>A daemon that awaits the arrival of incoming mail and
|
---|
496 | arranges for its delivery.</para>
|
---|
497 | <indexterm zone="postfix qmgr">
|
---|
498 | <primary sortas="b-qmgr">qmgr</primary></indexterm>
|
---|
499 | </listitem>
|
---|
500 | </varlistentry>
|
---|
501 |
|
---|
502 | <varlistentry id="qmqpd">
|
---|
503 | <term><command>qmqpd</command></term>
|
---|
504 | <listitem><para>A daemon that receives one message per connection, and
|
---|
505 | pipes it through the <application>cleanup</application> daemon, and
|
---|
506 | places it into the incoming queue.</para>
|
---|
507 | <indexterm zone="postfix qmqpd">
|
---|
508 | <primary sortas="b-qmqpd">qmqpd</primary></indexterm>
|
---|
509 | </listitem>
|
---|
510 | </varlistentry>
|
---|
511 |
|
---|
512 | <varlistentry id="sendmail-postfix">
|
---|
513 | <term><command>sendmail</command></term>
|
---|
514 | <listitem><para>The <application>Postfix</application> to
|
---|
515 | <application>Sendmail</application> compatibility interface.</para>
|
---|
516 | <indexterm zone="postfix sendmail-postfix">
|
---|
517 | <primary sortas="b-sendmail">sendmail</primary></indexterm>
|
---|
518 | </listitem>
|
---|
519 | </varlistentry>
|
---|
520 |
|
---|
521 | <varlistentry id="showq">
|
---|
522 | <term><command>showq</command></term>
|
---|
523 | <listitem><para>A daemon that reports the Postfix mail queue status.</para>
|
---|
524 | <indexterm zone="postfix showq">
|
---|
525 | <primary sortas="b-showq">showq</primary></indexterm>
|
---|
526 | </listitem>
|
---|
527 | </varlistentry>
|
---|
528 |
|
---|
529 | <varlistentry id="smtp">
|
---|
530 | <term><command>smtp</command></term>
|
---|
531 | <listitem><para>Looks up a list of mail exchanger addresses for the
|
---|
532 | destination host, sorts the list by preference, and connects to
|
---|
533 | each listed address until it finds a server that responds.</para>
|
---|
534 | <indexterm zone="postfix smtp">
|
---|
535 | <primary sortas="b-smtp">smtp</primary></indexterm>
|
---|
536 | </listitem>
|
---|
537 | </varlistentry>
|
---|
538 |
|
---|
539 | <varlistentry id="smtpd">
|
---|
540 | <term><command>smtpd</command></term>
|
---|
541 | <listitem><para>Accepts network connection requests and performs zero
|
---|
542 | or more SMTP transactions per connection.</para>
|
---|
543 | <indexterm zone="postfix smtpd">
|
---|
544 | <primary sortas="b-smtpd">smtpd</primary></indexterm>
|
---|
545 | </listitem>
|
---|
546 | </varlistentry>
|
---|
547 |
|
---|
548 | <varlistentry id="spawn">
|
---|
549 | <term><command>spawn</command></term>
|
---|
550 | <listitem><para>Listens on a port as specified in the
|
---|
551 | <application>Postfix</application> <filename>master.cf</filename> file
|
---|
552 | and spawns an external command whenever a connection is established.</para>
|
---|
553 | <indexterm zone="postfix spawn">
|
---|
554 | <primary sortas="b-spawn">spawn</primary></indexterm>
|
---|
555 | </listitem>
|
---|
556 | </varlistentry>
|
---|
557 |
|
---|
558 | <varlistentry id="trivial-rewrite">
|
---|
559 | <term><command>trivial-rewrite</command></term>
|
---|
560 | <listitem><para>A daemon that rewrites addresses to standard form.</para>
|
---|
561 | <indexterm zone="postfix trivial-rewrite">
|
---|
562 | <primary sortas="b-trivial-rewrite">trivial-rewrite</primary></indexterm>
|
---|
563 | </listitem>
|
---|
564 | </varlistentry>
|
---|
565 |
|
---|
566 | <varlistentry id="verify">
|
---|
567 | <term><command>verify</command></term>
|
---|
568 | <listitem><para>Maintains a record of what recipient addresses are known
|
---|
569 | to be deliverable or undeliverable.</para>
|
---|
570 | <indexterm zone="postfix verify">
|
---|
571 | <primary sortas="b-verify">verify</primary></indexterm>
|
---|
572 | </listitem>
|
---|
573 | </varlistentry>
|
---|
574 |
|
---|
575 | <varlistentry id="virtual">
|
---|
576 | <term><command>virtual</command></term>
|
---|
577 | <listitem><para>Delivers mail to virtual user's mail directories.</para>
|
---|
578 | <indexterm zone="postfix virtual">
|
---|
579 | <primary sortas="b-virtual">virtual</primary></indexterm>
|
---|
580 | </listitem>
|
---|
581 | </varlistentry>
|
---|
582 | </variablelist>
|
---|
583 |
|
---|
584 | </sect2>
|
---|
585 |
|
---|
586 | </sect1>
|
---|
587 |
|
---|